Spectroscopic Analysis of Pictor II: a very low metallicity ultra-faint dwarf galaxy bound to the Large Magellanic Cloud

Spectroscopic Analysis of Pictor II: a very low metallicity ultra-faint dwarf galaxy bound to the Large Magellanic Cloud

We present Magellan/IMACS and Magellan/MIKE spectroscopy of the ultra-faint dwarf (UFD) galaxy Pictor~II (Pic~II) that is located only 12 kpc from the Large Magellanic Cloud (LMC). From the IMACS spectroscopy, we identify 13 member stars and measure a mean heliocentric velocity of $326.9\pm1.1~{\rm...

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Main Authors: Andrew B Pace, T. S. Li, A. P. Ji, J. D. Simon, W. Cerny, A. M. Senkevich, A. Drlica-Wagner, K. Bechtol, C. Y. Tan, A. Chiti, D. Erkal, C. E. Martínez-Vázquez, P. S. Ferguson, R. G. Kron, K R. Atzberger, A. Chaturvedi, J. A. Frieman, N. Kallivayalil, G. Limberg, G. E. Medina, V. M. Placco, A. H. Riley, D. J. Sand, G. S. Stringfellow, R. P. van der Marel, J. A. Carballo-Bello, Y. Choi, D. Crnojević, P. Massana, B. Mutlu-Pakdil, M. Navabi, N. E. D. Noël, J. D. Sakowska
Format: Article
Language:English
Published: Maynooth Academic Publishing 2025-08-01
Series:The Open Journal of Astrophysics
Online Access:https://doi.org/10.33232/001c.142989
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